I believe they cannot start with big trees and bushes because the there is not enough nutrients in the soil, so instead pioneer species pave the way for primary succession.
You can use refraction which is the bending of light through a transparent material. Also the freezing and boiling points of water. One last one is the Cartesian five experiment, this shows the density of water. Hope this helped.
Explanation:
Noble gases have a full outer energy level and are inactive. These atoms are considered inert.
Hope this helps
Good Luck
F is the correct answer I think
A biological community with organisms interacting within their environment :)
